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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 717 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 36 × 68 =
  2. 2.Digital root of 18267 =
  3. 3.Digital root of 30639 =
  4. 4.Digital root of 4063 =
  5. 5.Digital root of 68 × 61 =
  6. 6.Digital root of 17 × 44 =
  7. 7.Digital root of 2334 =
  8. 8.Digital root of 71121 =
  9. 9.Digital root of 41691 =
  10. 10.Digital root of 59 × 68 =
  11. 11.Digital root of 82 × 36 =
  12. 12.Digital root of 35731 =
  13. 13.Digital root of 36244 =
  14. 14.Digital root of 46274 =
  15. 15.Digital root of 94826 =
  16. 16.Digital root of 38 × 49 =
  17. 17.Digital root of 69303 =
  18. 18.Digital root of 17499 =
  19. 19.Digital root of 49 × 53 =
  20. 20.Digital root of 95187 =
  21. 21.Digital root of 32061 =
  22. 22.Digital root of 24034 =
  23. 23.Digital root of 95 × 38 =
  24. 24.Digital root of 6075 =
  25. 25.Digital root of 26 × 93 =
  26. 26.Digital root of 20224 =
  27. 27.Digital root of 29346 =
  28. 28.Digital root of 52 × 86 =
  29. 29.Digital root of 92 × 47 =
  30. 30.Digital root of 40058 =
  31. 31.Digital root of 58708 =
  32. 32.Digital root of 67 × 65 =
  33. 33.Digital root of 3008 =
  34. 34.Digital root of 89922 =
  35. 35.Digital root of 31 × 12 =
  36. 36.Digital root of 11191 =
  37. 37.Digital root of 23 × 38 =
  38. 38.Digital root of 55409 =
  39. 39.Digital root of 10048 =
  40. 40.Digital root of 51 × 76 =

Answer key

  1. 9
  2. 6
  3. 3
  4. 4
  5. 8
  6. 1
  7. 3
  8. 3
  9. 3
  10. 7
  11. 9
  12. 1
  13. 1
  14. 5
  15. 2
  16. 8
  17. 3
  18. 3
  19. 5
  20. 3
  21. 3
  22. 4
  23. 1
  24. 9
  25. 6
  26. 1
  27. 6
  28. 8
  29. 4
  30. 8
  31. 1
  32. 8
  33. 2
  34. 3
  35. 3
  36. 4
  37. 1
  38. 5
  39. 4
  40. 6

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